Manual:$wgExternalServers

Content handlers and storage: $wgExternalServers
Shortcut for setting $wgLBFactoryConf["externalClusters"].
Introduced in version:1.5.0 (r9118)
Removed in version:Still in use
Allowed values:(see below)
Default value:[]

Details

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Shortcut for setting $wgLBFactoryConf["externalClusters"].

This is only applicable when using the default LBFactory of Wikimedia::Rdbms::LBFactorySimple LBFactorySimple.

It is ignored if a different LBFactory is set, or if externalClusters is already set explicitly.